@-webkit-keyframes sway { 
	0%   { -webkit-transform: rotateZ(5deg);}
	30%  { -webkit-transform: rotateZ(-15deg);}
	60%  { -webkit-transform: rotateZ(15deg);}
	100% { -webkit-transform: rotateZ(-15deg);}
}
 
@-webkit-keyframes fall {
	50% { opacity: 0.1 }
  100% { margin-top: 140px; opacity: 0.0 }
}

.falling {
	-webkit-animation-name: fall, sway;
	-webkit-animation-duration: 15s, 15s;
	-webkit-animation-timing-function: linear, ease-in-out;
	-webkit-animation-iteration-count: infinite;
}